{"author_name":"jeneshicc","width":"100%","description":"You are given the following information, but you may prefer to do some research for yourself. 1 Jan 1900 was a Monday. Thirty days has September, April, June and November. All the rest have thirty-one, Saving February alone, Which has twenty-eight, rain or shine. And on leap years, twenty-nine. A le\u2026","provider_url":"https://hatena.blog","blog_url":"https://jeneshicc.hatenadiary.org/","image_url":null,"version":"1.0","url":"https://jeneshicc.hatenadiary.org/entry/20081028/1225157975","blog_title":"\u843d\u66f8\u304d\u3001\u6642\u3005\u843d\u5b66","provider_name":"Hatena Blog","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fjeneshicc.hatenadiary.org%2Fentry%2F20081028%2F1225157975\" title=\"Problem 19 - \u843d\u66f8\u304d\u3001\u6642\u3005\u843d\u5b66\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","type":"rich","categories":["Project Euler"],"published":"2008-10-28 10:39:35","author_url":"https://blog.hatena.ne.jp/jeneshicc/","title":"Problem 19"}